. >>> now to a dramatic and contentious day of testimony for the man the president wants to run the pentagon. former republican senator and decorated vietnam combat veteran, chuck hagel, already under fire before today. he got a rough treatment at today's hearing. kelly o'donnell is on the hill tonight with details. kelly, good evening. >> reporter: good evening, brian. tough questions were expected, but the real surprise today came in how chuck hagel handled the all-day scrutiny. at times appearing unprepared or off his game. and that's after hagel had dozens of personal meetings with senators, trying to win their support to become the next secretary of defense. >> right up the stairs, sir. >> reporter: chuck hagel would break new ground as the first enlisted man, first vietnam veteran, to run the pentagon. and first cabinet nominee to get the super pac treatment. tv ads against his confirmation. >> chuck hagel is not a responsible option. >> reporter: but it was hagel's former colleagues and even friends who waged a coordinated attack today on hagel's judgment. john mccain seized on hagel'